v1.4.0: Auto-compact streaming, Bedrock summarization support, subagent orchestration, and Galaxy rebrand continuation

Major features:
- Auto-compact: triggers conversation summarization when context window >= 85%,
  compacts Bedrock message history to a summary pair, and tracks live context tokens
- Bedrock summarization: plumbs `is_summarization` flag through translator/client/response
  pipeline, handles SummarizeConversation input type, and marks `summarized` in metadata
- Session restore: rebuilds bedrock_message_history from persisted task messages via
  newly-public `convert_proto_message`, preventing empty history on reconnect
- Subagent orchestration: adds SubagentQuestion/Answer/CompletionSummary event types,
  parent-child question routing with depth limits, retry counting, and drain methods
- Summarization UI: inline SummarizationView in AI blocks with progress/finished states

Refactors:
- Rename WarpTheme → GalaxyTheme across ~100 files (rebrand continuation)
- Rename warp_home_config_dir → galaxy_home_config_dir and related path functions
- Predefined rules: replace "System Defined Rule #N" with descriptive names
  (e.g. "Correctness Over Speed", "Never Guess") and add lookup helpers
- Usage view: replace cumulative input/output token display with live context tokens,
  cache hit rate calculation, and separate cache read/write stats
- Telemetry: remove verbose doc comments, simplify trait definitions
- Facts view: simplify delete permission check (always allow local deletion)
- Remove warp_managed_paths_watcher.rs (dead code)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/ai/blocklist/usage/conversation_usage_view.rs

@@ -33,11 +33,14 @@ pub struct ConversationUsageInfo {
     pub lines_added: i32,
     pub lines_removed: i32,
     pub commands_executed: i32,
-    pub total_input_tokens: u32,
-    pub total_output_tokens: u32,
-    pub total_cache_read_tokens: u32,
-    pub total_cache_write_tokens: u32,
+    /// Live context window token count (from most recent Bedrock response).
+    pub current_context_tokens: u32,
+    /// Cumulative cost across all requests.
     pub estimated_cost_cents: f32,
+    /// Cumulative cache read tokens (session total).
+    pub total_cache_read_tokens: u32,
+    /// Cumulative cache write tokens (session total).
+    pub total_cache_write_tokens: u32,
 }
 
 /// Timing information for the last set of agent responses
@@ -246,32 +249,21 @@ impl ConversationUsageView {
             );
         }
 
-        // Token usage section
-        let total_tokens = self.usage_info.total_input_tokens
-            + self.usage_info.total_output_tokens
-            + self.usage_info.total_cache_read_tokens
+        // Context tokens (live state — current context window size)
+        if self.usage_info.current_context_tokens > 0 {
+            labels.push(render_label_text("Context tokens", appearance));
+            values.push(render_value_text(
+                format_token_count(self.usage_info.current_context_tokens),
+                appearance,
+            ));
+        }
+
+        // Cache usage (cumulative session totals)
+        let total_cache = self.usage_info.total_cache_read_tokens
             + self.usage_info.total_cache_write_tokens;
-        if total_tokens > 0 {
-            labels.push(render_label_text("Total tokens", appearance));
-            values.push(render_value_text(
-                format_token_count(total_tokens),
-                appearance,
-            ));
-
-            labels.push(render_label_text("  Input", appearance));
-            values.push(render_value_text(
-                format_token_count(self.usage_info.total_input_tokens),
-                appearance,
-            ));
-
-            labels.push(render_label_text("  Output", appearance));
-            values.push(render_value_text(
-                format_token_count(self.usage_info.total_output_tokens),
-                appearance,
-            ));
-
+        if total_cache > 0 {
             if self.usage_info.total_cache_read_tokens > 0 {
-                labels.push(render_label_text("  Cache read", appearance));
+                labels.push(render_label_text("Cache read", appearance));
                 values.push(render_value_text(
                     format_token_count(self.usage_info.total_cache_read_tokens),
                     appearance,
@@ -279,12 +271,25 @@ impl ConversationUsageView {
             }
 
             if self.usage_info.total_cache_write_tokens > 0 {
-                labels.push(render_label_text("  Cache write", appearance));
+                labels.push(render_label_text("Cache write", appearance));
                 values.push(render_value_text(
                     format_token_count(self.usage_info.total_cache_write_tokens),
                     appearance,
                 ));
             }
+
+            // Cache hit rate
+            let cache_miss = self.usage_info.current_context_tokens
+                .saturating_sub(self.usage_info.total_cache_read_tokens);
+            let total_input = self.usage_info.total_cache_read_tokens + cache_miss;
+            if total_input > 0 {
+                let hit_rate = (self.usage_info.total_cache_read_tokens as f32 / total_input as f32) * 100.0;
+                labels.push(render_label_text("Cache hit rate", appearance));
+                values.push(render_value_text(
+                    format!("{:.0}%", hit_rate),
+                    appearance,
+                ));
+            }
         }
 
         labels.push(render_label_text("Context window used", appearance));

app/src/ai/blocklist/usage/mod.rs

@@ -1,4 +1,4 @@
-use galaxy_core::ui::theme::{Fill, WarpTheme};
+use galaxy_core::ui::theme::{Fill, GalaxyTheme};
 use galaxy_core::ui::Icon;
 use galaxyui::Element;
 
@@ -33,7 +33,7 @@ pub fn icon_for_context_window_usage(context_window_usage: f32) -> Icon {
 
 pub fn render_context_window_usage_icon(
     context_window_usage: f32,
-    theme: &WarpTheme,
+    theme: &GalaxyTheme,
     color_override: Option<Fill>,
 ) -> Box<dyn Element> {
     let icon = icon_for_context_window_usage(context_window_usage);